中国流行病学研究显示，老年内科住院患者的患病率为9.7%，重症呼吸衰竭患者的患病率高达23.5%。

Epidemiological studies in China show that in elderly medical patients for the prevalence rate of 9.7% in patients with severe respiratory failure as high as 23.5 percent prevalence rate.

youdao

中国流行病学研究显示，老年内科住院患者的患病率为9.7%，重症呼吸衰竭患者的患病率高达23.5%。

Epidemiological studies in China show that in elderly medical patients for the prevalence rate of 9.7% in patients with severe respiratory failure as high as 23.5 percent prevalence rate.

youdao